Rob,thanks for you suggestion. I press 'F1' to see what causes the message and found that:
The HILITE command is not available in mixed mode edit session. Ah....I don't know much about 'mixed mode',maybe I should do some research on it. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
